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20828-88-0

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20828-88-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20828-88-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,8,2 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20828-88:
(7*2)+(6*0)+(5*8)+(4*2)+(3*8)+(2*8)+(1*8)=110
110 % 10 = 0
So 20828-88-0 is a valid CAS Registry Number.

20828-88-0Relevant articles and documents

Differential binding of phenothiazine urea derivatives to wild-type human cholinesterases and butyrylcholinesterase mutants

Darvesh, Sultan,Pottie, Ian R.,Darvesh, Katherine V.,McDonald, Robert S.,Walsh, Ryan,Conrad, Sarah,Penwell, Andrea,Mataija, Diane,Martin, Earl

experimental part, p. 2232 - 2244 (2010/05/18)

A series of N-10 urea derivatives of phenothiazine was synthesized and each compound was evaluated for its ability to inhibit human cholinesterases. Most were specific inhibitors of BuChE. However, the potent inhibitory effects on both cholinesterases of one sub-class, the cationic aminoureas, provide an additional binding mechanism to cholinesterases for these compounds. The comparative effects of aminoureas on wild-type BuChE and several BuChE mutants indicate a binding process involving salt linkage with the aspartate of the cholinesterase peripheral anionic site. The effect of such compounds on cholinesterase activity at high substrate concentration supports ionic interaction of aminoureas at the peripheral anionic site.

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